diff --git a/js/js.translator/src/org/jetbrains/k2js/translate/expression/StringTemplateTranslator.java b/js/js.translator/src/org/jetbrains/k2js/translate/expression/StringTemplateTranslator.java
index ddd6298222c..dd5d3acf834 100644
--- a/js/js.translator/src/org/jetbrains/k2js/translate/expression/StringTemplateTranslator.java
+++ b/js/js.translator/src/org/jetbrains/k2js/translate/expression/StringTemplateTranslator.java
@@ -19,15 +19,16 @@ package org.jetbrains.k2js.translate.expression;
 import com.google.dart.compiler.backend.js.ast.JsExpression;
 import com.google.dart.compiler.backend.js.ast.JsInvocation;
 import com.google.dart.compiler.backend.js.ast.JsNameRef;
-import com.google.dart.compiler.util.AstUtil;
+import com.google.dart.compiler.backend.js.ast.JsNumberLiteral;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.jet.lang.psi.*;
+import org.jetbrains.jet.lang.resolve.name.Name;
 import org.jetbrains.k2js.translate.context.TranslationContext;
 import org.jetbrains.k2js.translate.general.AbstractTranslator;
 import org.jetbrains.k2js.translate.general.Translation;
+import org.jetbrains.k2js.translate.utils.JsDescriptorUtils;
 
-import static org.jetbrains.k2js.translate.utils.JsAstUtils.setQualifier;
 import static org.jetbrains.k2js.translate.utils.JsAstUtils.sum;
 
 
@@ -82,9 +83,18 @@ public final class StringTemplateTranslator extends AbstractTranslator {
             assert entryExpression != null :
                     "JetStringTemplateEntryWithExpression must have not null entry expression.";
             JsExpression translatedExpression = Translation.translateAsExpression(entryExpression, context());
-            JsNameRef toString = AstUtil.newQualifiedNameRef("toString");
-            setQualifier(toString, translatedExpression);
-            append(new JsInvocation(toString));
+            if (translatedExpression instanceof JsNumberLiteral) {
+                append(context().program().getStringLiteral(translatedExpression.toString()));
+            }
+            else {
+                Name typeName = JsDescriptorUtils.getNameIfStandardType(entryExpression, context());
+                if (typeName != null && typeName.getName().equals("String")) {
+                    append(translatedExpression);
+                    return;
+                }
+
+                append(new JsInvocation(new JsNameRef("toString", translatedExpression)));
+            }
         }
 
         @Override